Introduction : analyzing early music / Cristle Collins Judd -- The grammar of early music : preconditions for analysis / Margaret Bent -- Exploring tonal structure in French polyphonic song of the fourteenth century / Sarah Fuller -- Internal and external views of the modes / Frans Wiering -- Josquin's gospel motets and chant-based tonality / Cristle Collins Judd -- Tonal coherence and the cycle of thirds in Josquin's Memor esto verbi tui / Timothy H. Steele -- Concepts of pitch in English music theory, c.1560-1640 / Jessie Ann Owens -- Concepts of key in seventeenth-century English keyboard music / Candace Bailey -- From psalmody to tonality / Harold Powers -- Tonal types and modal equivalence in two keyboard cycles by Murschhauser / Michael Dodds.